/*
 * Copyright 2002-2013 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package org.springframework.security.access.method;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import org.springframework.security.core.parameters.AnnotationParameterNameDiscoverer;

/**
 * An annotation that can be used along with
 * {@link AnnotationParameterNameDiscoverer} to specify parameter names. This is
 * useful for interfaces prior to JDK 8 which cannot contain the parameter
 * names.
 *
 * @see AnnotationParameterNameDiscoverer
 *
 * @author Rob Winch
 * @since 3.2
 */
@Target(ElementType.PARAMETER)
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface P {

    /**
     * The parameter name
     * @return
     */
    String value();
}